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檢視所有 60 產品系列
TECHSPEC®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

50mm Diameter Uncoated, Calcium Fluoride Window

TECHSPEC Calcium Fluoride (CaF2) Windows

TECHSPEC Calcium Fluoride (CaF2) Windows

Stock #47-684
NT$7,740
×
Qty 1-10
NT$7,740
Qty 11
NT$6,966
Volume Pricing
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Abbe Number (vd):
94.99
Axis Orientation:
Random
Clear Aperture (%):
90
Diameter (mm):
50.00 +0.0/-0.1
Thickness (mm):
3.00
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
18.85
Density (g/cm3):
3.18
Index of Refraction nd:
1.434
Knoop Hardness (kg/mm2):
158.3
Parallelism (arcmin):
<1
Poisson's Ratio:
0.26
Substrate:
Calcium Fluoride (CaF2) Vacuum UV Grade
Surface Flatness:
λ/2
Surface Quality:
40-20
Thickness Tolerance (mm):
±0.1
Type:
Protective Window
Wavelength Range (μm):
0.2 - 7
Wavelength Range (nm):
200 - 7000
Young's Modulus (GPa):
75.8

Regulatory Compliance

RoHS 2015:
REACH 201:

產品系列說明

  • 採用低吸收、高穿透的紫外線級氟化鈣
  • 非常適用於200nm至7μm範圍內光線的應用
  • 低折射率

氟化鈣對200nm至7μm範圍內的光具有高穿透力,因此經常用於分光鏡的窗口片與透鏡。其低吸收力與高破壞閾值使其成為準分子雷射光學裝置的普遍選擇。氟化鈣的折射率很低,因此在使用時無需抗反射鍍膜。氟化鈣的努氏硬度為158.3。以真空紫外線級氟化鈣製造的TECHSPEC®氟化鈣 (CaF2) 窗口片常用於低溫冷凍熱成像系統。

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